Initializing help system before first use

Files used by Xpress NonLinear

Most of the data used by Xpress NonLinear is held in memory. However, there are a few files which are written, either automatically or on demand, in addition to those created by the Xpress Optimizer.

LOGFILE Created by: XSLPsetlogfile
The file name and location are user-defined.
NAME.mat Created by: XSLPwriteprob
This is the matrix file in extended MPS format. The name is user-defined. The extension .mat is appended automatically.
NAME.txt Created by: XSLPwriteprob
This is the matrix file in human-readable "text". The name is user-defined. The extension .txt is appended automatically.
PROBNAME.svx Created by: XSLPsave
This is the SLP part of the save file (the linear part is in probname.svf). Used by XSLPrestore.


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